package reflect;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Scanner;

public class ReflectDemo4 {
    public static void main(String[] args) throws ClassNotFoundException, InstantiationException, IllegalAccessException, NoSuchMethodException, InvocationTargetException {
        Person p=new Person();
        p.sleep();

        Scanner sc=new Scanner(System.in);
        System.out.println("请输入类名：");
        String className=sc.nextLine();
        System.out.println("请输入方法名");
        String methodName=sc.nextLine();
        Class cls=Class.forName(className);
        Object obj=cls.newInstance();
        Method method=cls.getMethod(methodName);
        method.invoke(obj);//内部藏有instanceof机制

    }
}
